"WhatsApp, the bare-bones messaging app owned by Facebook Inc., now boasts a billion users a month, a key point on its road to profitability.WhatsApp Joins the Billion Users Club - Digits - WSJ
About 42 billion messages and 1.6 billion photos are shared daily over the seven-year-old app, the company announced Monday. Users also send 250 million videos every day and have created 1 billion groups.
Facebook bought WhatsApp about two years ago in a deal worth about $22 billion. Facebook founder and CEO Mark Zuckerberg has previously said he expects WhatsApp to contribute to the company’s bottom line after it hits roughly a billion users."
Tuesday, February 02, 2016
WhatsApp Joins the Billion Users Club - Digits - WSJ
For more on possible business models, see WhatsApp Ditches $1 Annual Fee, Tests Business Accounts But No Ads, Says CEO (TechCrunch)